20679087

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 14802513

約数列:

[1, 3, 11, 13, 19, 33, 39, 43, 57, 59, 129, 143, 177, 209, 247, 429, 473, 559, 627, 649, 741, 767, 817, 1121, 1419, 1677, 1947, 2301, 2451, 2537, 2717, 3363, 6149, 7611, 8151, 8437, 8987, 10621, 12331, 14573, 18447, 25311, 26961, 27907, 31863, 32981, 36993, 43719, 48203, 83721, 98943, 116831, 144609, 160303, 350493, 362791, 480909, 530233, 626639, 1088373, 1590699, 1879917, 6893029, 20679087]

約数ペア:

[(1, 20679087), (3, 6893029), (11, 1879917), (13, 1590699), (19, 1088373), (33, 626639), (39, 530233), (43, 480909), (57, 362791), (59, 350493), (129, 160303), (143, 144609), (177, 116831), (209, 98943), (247, 83721), (429, 48203), (473, 43719), (559, 36993), (627, 32981), (649, 31863), (741, 27907), (767, 26961), (817, 25311), (1121, 18447), (1419, 14573), (1677, 12331), (1947, 10621), (2301, 8987), (2451, 8437), (2537, 8151), (2717, 7611), (3363, 6149)]